{"note":"bim_versions 導入後の保存のみ記録 (それ以前は bim_canonical 上書きで履歴なし)","ok":true,"slug":"u-house-2muumdkt","versions":[{"created_at":"2026-06-09T09:09:11Z","element_count":89,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/tokyo/sc_suginami/nc_78701105/ 価格6990万円 建ぺい50%/容積100% 取得2026-06-09","saved_by":"editor","sha256":"65ff01e094160b3cc4d9d189940e6f4fe388a29780c5b1d09c00e800f3931c8e","version":2}]}